398308274

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 764854272

約数和(自身を除く): 366545998

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 227, 311, 403, 434, 454, 622, 806, 1589, 2177, 2821, 2951, 3178, 4043, 4354, 5642, 5902, 7037, 8086, 9641, 14074, 19282, 20657, 28301, 41314, 49259, 56602, 67487, 70597, 91481, 98518, 125333, 134974, 141194, 182962, 250666, 494179, 640367, 877331, 917761, 988358, 1280734, 1754662, 1835522, 2188507, 4377014, 6424327, 12848654, 15319549, 28450591, 30639098, 56901182, 199154137, 398308274]

約数ペア:

[(1, 398308274), (2, 199154137), (7, 56901182), (13, 30639098), (14, 28450591), (26, 15319549), (31, 12848654), (62, 6424327), (91, 4377014), (182, 2188507), (217, 1835522), (227, 1754662), (311, 1280734), (403, 988358), (434, 917761), (454, 877331), (622, 640367), (806, 494179), (1589, 250666), (2177, 182962), (2821, 141194), (2951, 134974), (3178, 125333), (4043, 98518), (4354, 91481), (5642, 70597), (5902, 67487), (7037, 56602), (8086, 49259), (9641, 41314), (14074, 28301), (19282, 20657)]